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Syndromes in suites of correlated traits suggest multiple mechanisms facilitating invasion in a plant range-expander

by: Tewes, Lisa Johanna; Mueller, Caroline

Publication date: 2018-3-6
Usage: Attribution 4.0 International
Topics: Glucosinolates, herbivory, invasion mechanisms, intraspecific variation, pathogens, nitrate allocation
Publisher: Pensoft Publishers
Collection: biodiversity
Contributor: Pensoft Publishers
Language: English
Rights: https://biodiversitylibrary.org/permissions
Rights-holder: Copyright held by individual article author(s).
Volume: 37
Item Size: 22.5M

Abstract: Various mechanisms can facilitate the success of plant invasions simultaneously, but may be difficult to disentangle. In the present study, plants of the range-expanding species Bunias orientalis from native, invasive and naturalised, not yet invasive populations were compared in a field common garden over two years. Plants were grown under two nitrate-regimes and multiple traits regarding growth, defence, antagonist loads and reproduction were measured. A rank-based clustering approach was used to assign correlated traits to distinct suites. These suites were analysed for “syndromes” that are expressed as a function of population origin and/or fertilisation treatment and might represent different invasion mechanisms. Indeed, distinct suites of traits were differentially affected by these factors. The results suggest that several pre-adaptation properties, such as certain growth characteristics and intraspecific chemical variation, as well as post-introduction adaptations to antagonists and resource availability in novel habitats, are candidate mechanisms that facilitate the success of invasive B. orientalis in parallel. It was concluded that rank-based clustering is a robust and expedient approach to integrate multiple traits for elucidating invasion syndromes within individual species. Studying a multitude of traits at different life-history and establishment stages of plants grown under distinct resource treatments reveals species-specific trade-offs and resource sinks and simplifies the interpretation of trait functions for the potential invasive success of plants.
Addeddate: 2025-04-02 17:04:13
Bhl_virtual_titleid: 210923
Bhl_virtual_volume: v.37 (2018)
Call number: 10_3897_neobiota_37_21470
Call-number: 10_3897_neobiota_37_21470
Foldoutcount: 0
Genre: article
Identifier: syndromessuites37tewe
Identifier-ark: ark:/13960/s2r6hkzzv18
Identifier-bib: 10_3897_neobiota_37_21470
Identifier-doi: 10.3897/neobiota.37.21470
Ocr: tesseract 5.3.0-6-g76ae
Ocr_detected_lang: en
Ocr_detected_lang_conf: 1.0000
Ocr_detected_script: Latin
Ocr_detected_script_conf: 1.0000
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Ocr_parameters: -l eng
Page_number_confidence: 83
Page_number_module_version: 1.0.5
Page_range: 1-22
Pages: 22
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Possible copyright status: In copyright. Digitized with the permission of the rights holder.
Ppi: 300
Source: NeoBiota 37
Year: 2018